AS7018 66.126.176.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204866.126.176.0/2466.126.177.0/2466.126.178.0/2466.126.179.0/2466.126.180.0/2466.126.181.0/2466.126.182.0/2466.126.183.0/24